characteristic of false pride; having an exaggerated sense of self-importance

A conceited fool.An attitude of self-conceited arrogance.An egotistical disregard of others.So swollen by victory that he was unfit for normal duty.Growing ever more swollen-headed and arbitrary.Vain about her clothes.

source: WordNet 3.0

unproductive of success

A fruitless search.Futile years after her artistic peak.A sleeveless errand.A vain attempt.